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19396220496 = 243404087927
BaseRepresentation
bin10010000100000110…
…101101011001010000
31212001202102002110220
4102010012231121100
5304210413023441
612524400153040
71254441103542
oct220406553120
955052362426
1019396220496
11825372a5a4
123913908780
131aa1587963
14d20037692
15787c53466
hex4841ad650

19396220496 has 20 divisors (see below), whose sum is σ = 50106903072. Its totient is φ = 6465406816.

The previous prime is 19396220407. The next prime is 19396220507. The reversal of 19396220496 is 69402269391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202043916 + ... + 202044011.

Almost surely, 219396220496 is an apocalyptic number.

19396220496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19396220496 is an abundant number, since it is smaller than the sum of its proper divisors (30710682576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19396220496 is a wasteful number, since it uses less digits than its factorization.

19396220496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404087938 (or 404087932 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 19396220496 in words is "nineteen billion, three hundred ninety-six million, two hundred twenty thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 404087927 808175854 1212263781 1616351708 2424527562 3232703416 4849055124 6465406832 9698110248 19396220496